{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "trigger": true, "arguments": ["victim", "time", "tool", "attack pattern", "attacker", "payment method"]}, {"event_type": "phishing", "trigger": true, "arguments": ["purpose", "trusted entity", "victim", "time", "place", "attack pattern", "tool", "attacker", "damage amount"]}, {"event_type": "patch vulnerability", "trigger": true, "arguments": ["patch number", "time", "vulnerability", "vulnerable system version", "supported platform", "issues addressed", "releaser", "common vulnerabilities and exposures"]}, {"event_type": "discover vulnerability", "trigger": true, "arguments": ["discoverer", "vulnerable system owner", "vulnerability", "time", "common vulnerabilities and exposures", "capabilities", "vulnerable system version", "supported platform", "vulnerable system"]}, {"event_type": "data breach", "trigger": true, "arguments": ["damage amount", "time", "compromised data", "purpose", "victim", "attacker", "tool", "number of victim", "place"]}], "input": "Swedish researcher Ulf Frisk discovered the January and February Meltdown mitigations for Win7 and Server 2008 R2 were broken , and went public with his findings once the March Patch Tuesday had kicked off ."}
{"ransom": [], "phishing": [], "patch vulnerability": [], "discover vulnerability": [{"trigger": "discovered", "arguments": {"discoverer": "Swedish researcher Ulf Frisk", "vulnerable system owner": "NAN", "vulnerability": "Meltdown", "time": "NAN", "common vulnerabilities and exposures": "NAN", "capabilities": "NAN", "vulnerable system version": "NAN", "supported platform": "NAN", "vulnerable system": ["Win7", "Server 2008 R2"]}}], "data breach": []}